#cb123a

Color #cb123a

A vivid, highly saturated medium red.

Closest named color Crimson #dc143c · ΔE 6.73 Nearest Tailwind class rose-700 #c70036 · ΔE 1.4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#cb123a

RGB

rgb(203, 18, 58)

HSL

hsl(347, 83.7%, 43.3%)

HSV / HSB

hsv(347, 91.1%, 79.6%)

CMYK

cmyk(0%, 91.1%, 71.4%, 20.4%)

LAB

lab(43.42, 66.84, 29.66)

LCH

lch(43.42, 73.13, 23.93)

OKLCH

oklch(53.8%, 0.2087, 19.04)

HWB

hwb(347, 7.1%, 20.4%)

Harmony colors

Complementary

#12cba3

Analogous

#cb1296

#cb123a

#cb4612

Triadic

#cb123a

#3acb12

#123acb

Split-complementary

#cb123a

#12cb46

#1296cb

Tetradic

#cb123a

#cba312

#12cba3

#123acb

Square

#cb123a

#96cb12

#12cba3

#4612cb

Shades

Color #cb123a mixed toward black.

#a90f30

#870c27

#65091d

#440613

#22030a

Tints

Color #cb123a mixed toward white.

#eb224d

#ef4e71

#f37a94

#f7a6b8

#fbd3db

Tones

Color #cb123a mixed toward gray.

#bb2143

#ac314c

#9d4054

#8d505d

#7e5f66

Accessibility

Aa White text on this color

5.7:1

Aa Black text on this color

3.69:1

White text reads better on this background (5.7:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#9e9d33 · ΔE 55.1

Deuteranopia

#a5ad32 · ΔE 60.3

Tritanopia

#c62d2c · ΔE 6.3

Achromatopsia

#676767 · ΔE 27.8

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #cb123a;

Tailwind (arbitrary value)

bg-[#cb123a]

Related colors

Crimson #dc143c

Pink #ffc0cb

Light Pink #ffb6c1

Pale Violet Red #db7093

Lavender Blush #fff0f5

Hot Pink #ff69b4

Frequently asked questions

#cb123a (#cb123a) is rgb(203, 18, 58) in RGB.

No, #cb123a is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #cb123a, or check how it holds up for accessibility.

Generate a palette → Check contrast